using System;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Spreadsheet;

namespace ExcelTemplateEngine.OpenXML
{
    /// <summary>
    /// 基于OpenXML的样式表实现（简化版）
    /// </summary>
    public class OpenXMLStylesheet : IStylesheet
    {
        private readonly WorkbookStylesPart _stylesPart;
        
        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="stylesPart">样式表部件</param>
        public OpenXMLStylesheet(WorkbookStylesPart stylesPart)
        {
            _stylesPart = stylesPart ?? throw new ArgumentNullException(nameof(stylesPart));
        }
        
        /// <summary>
        /// 添加单元格格式
        /// </summary>
        /// <param name="cellFormat">单元格格式</param>
        /// <returns>格式索引</returns>
        public uint AddCellFormat(ICellFormat cellFormat)
        {
            // 简化实现，返回默认索引
            return 0;
        }
        
        /// <summary>
        /// 获取单元格格式
        /// </summary>
        /// <param name="index">格式索引</param>
        /// <returns>单元格格式</returns>
        public ICellFormat GetCellFormat(uint index)
        {
            return new SimpleCellFormat();
        }
        
        /// <summary>
        /// 添加字体
        /// </summary>
        /// <param name="font">字体</param>
        /// <returns>字体索引</returns>
        public uint AddFont(IFont font)
        {
            // 简化实现，返回默认索引
            return 0;
        }
        
        /// <summary>
        /// 获取字体
        /// </summary>
        /// <param name="index">字体索引</param>
        /// <returns>字体</returns>
        public IFont GetFont(uint index)
        {
            return new SimpleFont();
        }
        
        /// <summary>
        /// 添加填充
        /// </summary>
        /// <param name="fill">填充</param>
        /// <returns>填充索引</returns>
        public uint AddFill(IFill fill)
        {
            // 简化实现，返回默认索引
            return 0;
        }
        
        /// <summary>
        /// 获取填充
        /// </summary>
        /// <param name="index">填充索引</param>
        /// <returns>填充</returns>
        public IFill GetFill(uint index)
        {
            return new SimpleFill();
        }
        
        /// <summary>
        /// 添加边框
        /// </summary>
        /// <param name="border">边框</param>
        /// <returns>边框索引</returns>
        public uint AddBorder(IBorder border)
        {
            // 简化实现，返回默认索引
            return 0;
        }
        
        /// <summary>
        /// 获取边框
        /// </summary>
        /// <param name="index">边框索引</param>
        /// <returns>边框</returns>
        public IBorder GetBorder(uint index)
        {
            return new SimpleBorder();
        }
    }
    
    /// <summary>
    /// 简单单元格格式实现
    /// </summary>
    public class SimpleCellFormat : ICellFormat
    {
        public uint FontId { get; set; } = 0;
        public uint FillId { get; set; } = 0;
        public uint BorderId { get; set; } = 0;
        public string NumberFormat { get; set; } = "General";
    }
    
    /// <summary>
    /// 简单字体实现
    /// </summary>
    public class SimpleFont : IFont
    {
        public string Name { get; set; } = "Calibri";
        public double Size { get; set; } = 11;
        public bool Bold { get; set; } = false;
        public bool Italic { get; set; } = false;
        public string Color { get; set; } = "#000000";
    }
    
    /// <summary>
    /// 简单填充实现
    /// </summary>
    public class SimpleFill : IFill
    {
        public string BackgroundColor { get; set; } = "#FFFFFF";
        public string ForegroundColor { get; set; } = "#000000";
        public string Pattern { get; set; } = "None";
    }
    
    /// <summary>
    /// 简单边框实现
    /// </summary>
    public class SimpleBorder : IBorder
    {
        public string Left { get; set; } = "None";
        public string Right { get; set; } = "None";
        public string Top { get; set; } = "None";
        public string Bottom { get; set; } = "None";
    }
}